Pith Number

pith:FOSYTP72

pith:2008:FOSYTP72CREUYDRHKYRZSZIYEL

not attested not anchored not stored refs pending

Spitzer Spectral Mapping of Supernova Remnant Cassiopeia A

Haley Gomez, J.D.T. Smith, Jeonghee Rho, Karl Isensee, Lawrence Rudnick, Takashi Kozasa, Tracey DeLaney, William Reach

arxiv:0810.3014 v1 · 2008-10-16 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOSYTP72CREUYDRHKYRZSZIYEL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:29:25.936180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba589bffa14494c0e27562399651822e43a6774918f25ac4e2291c0629e2aea

Aliases

arxiv: 0810.3014 · arxiv_version: 0810.3014v1 · doi: 10.48550/arxiv.0810.3014 · pith_short_12: FOSYTP72CREU · pith_short_16: FOSYTP72CREUYDRH · pith_short_8: FOSYTP72

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FOSYTP72CREUYDRHKYRZSZIYEL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2ba589bffa14494c0e27562399651822e43a6774918f25ac4e2291c0629e2aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca677205a25bd2db742d3599b4da6dde698d6d4d9d0f2229b7d066f3b3eaf21d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-16T20:18:56Z",
    "title_canon_sha256": "dfedcc9eeaf8725e1dd169840ba240e4d22724d563a8f298f9759cad43b33690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3014",
    "kind": "arxiv",
    "version": 1
  }
}